diff --git a/net/proto/tcpip/cidr.txt b/net/proto/tcpip/cidr.txt
new file mode 100644
index 000000000..83cf50f1d
--- /dev/null
+++ b/net/proto/tcpip/cidr.txt
@@ -0,0 +1,2 @@
+https://www.arin.net/reference/materials/cidr.pdf
+https://www.reddit.com/r/ipv6/comments/1ng0x2y/arin_ipv6_cidr_prefix_equivalents/
diff --git a/nontech/architecture/books.txt b/nontech/architecture/books.txt
new file mode 100644
index 000000000..5a32efa3c
--- /dev/null
+++ b/nontech/architecture/books.txt
@@ -0,0 +1 @@
+https://ozon.by/product/kak-stroili-goroda-na-rusi-milchik-mihail-isaevich-1749907764/
diff --git a/nontech/knots/books.txt b/nontech/knots/books.txt
index 1af4b18c9..be91993f0 100644
--- a/nontech/knots/books.txt
+++ b/nontech/knots/books.txt
@@ -13,3 +13,5 @@ Allen - 50 Knots You Need To Know For Sailing Climbing Camping And More
 ????
 Budworth - The Complete Guide To Knots And Knot Tying
     magnet:?xt=urn:btih:a6c3410ca508f1141efe3f8430897a92399533d9
+https://ozon.by/product/geometriya-uzlov-i-ih-prakticheskoe-primenenie-razvitie-prostranstvennogo-myshleniya-412152100
+https://ozon.by/product/morskie-uzly-v-obihode-dzharman-kolin-2748780942
diff --git a/nontech/misc/shaolin.txt b/nontech/misc/shaolin.txt
new file mode 100644
index 000000000..3f1ca05b0
--- /dev/null
+++ b/nontech/misc/shaolin.txt
@@ -0,0 +1,4 @@
+https://www.youtube.com/@shaolinworldwide/shorts
+
+shorts
+https://www.youtube.com/shorts/5IEGMZ11z68
diff --git a/pl/java/docs/podcasts/spring-io.txt b/pl/java/docs/podcasts/spring-io.txt
index 3e9d78305..9cdaa172d 100644
--- a/pl/java/docs/podcasts/spring-io.txt
+++ b/pl/java/docs/podcasts/spring-io.txt
@@ -1,4 +1,8 @@
+https://www.youtube.com/playlist?list=PLQQoYXV9gt0IkK36FUU8Nd5kVN4ycT6jO
+
 2025
+SpringIO - 36 - gradle 9, pg 18 of 1:03:08
+    https://www.youtube.com/watch?v=TsCUqbFWDIk
 SpringIO - 35 - npm, UUIDv7 in PostgreSQL, Maven 4 of 1:23:48
     https://www.youtube.com/watch?v=LMI_5aF0y-Y
 SpringIO - 34 - AI Garbage of 56:27
diff --git a/security/ssh/clients/easyssh.txt b/security/ssh/tools/clients/easyssh.txt
similarity index 100%
rename from security/ssh/clients/easyssh.txt
rename to security/ssh/tools/clients/easyssh.txt
diff --git a/security/ssh/tools/clients/lazyssh.txt b/security/ssh/tools/clients/lazyssh.txt
new file mode 100644
index 000000000..9c7d079b6
--- /dev/null
+++ b/security/ssh/tools/clients/lazyssh.txt
@@ -0,0 +1 @@
+https://github.com/adembc/lazyssh
diff --git a/util/bookmanager/koreader.txt b/util/bookmanager/koreader.txt
new file mode 100644
index 000000000..44bd7ad49
--- /dev/null
+++ b/util/bookmanager/koreader.txt
@@ -0,0 +1,4 @@
+lua-based
+
+https://koreader.rocks/
+https://github.com/koreader/koreader